Obstructive sleep apnea in children, causes

Young children who are suffering from sleep apnea may experience hypersomnolence, also known as excessive sleepiness, although this is not typical among children.

Instead of extreme tiredness experienced in adults, children up to one-year-old with severe sleep apnea (obstructive) is either hyperactive or over-tired.
Adults with severe sleep apnea (obstructive) has different body characteristics compared to children with the same disorder.
Adults are usually heavy with heavy and short necks, whereas young children are generally thin, and poor growth. Poor growth happens when calories are burnt off at a high rate even during rest.
Eating has become tasteless and physically uncomfortable because the throat and nose are obstructed.

Unlike adults, sleep apnea (obstructive) in children is usually resulted from obstructive adenoids and tonsils, and excessive weight. Symptoms are restlessness and exhaustion.

Denoidectomy and tonsillectomy are great treatments for children with sleep apnea disorder.

Obstructive Sleep Apnea Syndrome Causes

Most obstructive sleep apnea are caused by the muscle tone decrease, brain injury, the structure of the features that result in narrow airway, increasing soft tissue in the passage airway which may result from obesity, and old age. Muscle tone decrease is caused by alcohol, neurological problems, or drugs.

Some people may experienced one or more issues.

Snoring is the vibration of the upper passage airways tissues.

The muscles and nerves found in pharynx are local lesions (nerve). Long-term vibration exposure may cause lesions in parts of the body, in the same way, long-term snoring may induce nerve lesions in the pharynx.

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external links
mayoclinic: Sleep apnea